<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>合同查看</title>
    <style type="text/css">
        body{
            margin: 0;
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            overflow: hidden;
        }
    </style>
</head>
<body>
    <iframe src="web/viewer.html" width="100%" height="100%"></iframe>
</body>
</html>